These Fit Over Your Glasses. Great for driving around. 

Glasses to turn any prescription or reader eyewear into sunglasses. These Glasses Fit Over your regular glasses. Have a Prescription for Distance but still need a bifocal? Then these are for you. These glasses comfortably fit over your regular glasses turning them into both bifocals and sunglasses. 

Features

• Bifocal Lenses
• Fits Over Glasses
  
• Quality Feel
• 100% UVA & UVB

Comes in 3 Colors

• Gloss Black Frame with Smoke Lenses
  
• Matte Black Frame with Smoke Lenses
• Tortoise Frame with Smoke Lenses

Measurements

Fits Over Glasses up to 

Frame Width:  140mm
Frame Height: 46mm
Temple Length:  Any (145mm)
Bridge Width:  Any (20mm) 
Weight: 1.4oz / 38 grams